The Journal of Space Commerce

The Journal of Space Commerce

Series B Round Closed by Muon Space

Funds Will Scale Satellite Constellations for Defense and Commercial Missions

Tom Patton's avatar
Tom Patton
Jun 16, 2025
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Muon Space Hall-Type Thruster

An oversubscribed $89.5 million Series B1 round has been closed by Muon Space, bringing total Series B funding to $146 million. The new capital includes $44.5 million in equity and $45 million in credit facilities, and follows the company's initial Series B close in August 2024.

"High-performance constellations require the s…

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